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How to get the width and height of an android.widget.ImageView?

...eight, finalWidth; final ImageView iv = (ImageView)findViewById(R.id.scaled_image); final TextView tv = (TextView)findViewById(R.id.size_label); ViewTreeObserver vto = iv.getViewTreeObserver(); vto.addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() { public boolean onPreDraw() { ...
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indexOf method in an object array?

... think to see the performance of this method vs. a simple for loop. Especially when you're running on a mobile platform with limited resources. – Doug Aug 17 '15 at 5:51 ...
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How big should a UIBarButtonItem image be?

...n "about 20x20" though. If you use an image of exactly 20x20px it will actually not map 1:1, and the button won't be square. – Clafou Jul 22 '12 at 22:24 1 ...
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How to check if object has any properties in JavaScript?

...d Apr 20 '10 at 6:49 Daniel VassalloDaniel Vassallo 301k6666 gold badges475475 silver badges424424 bronze badges ...
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Difference between await and ContinueWith

...ng example. I'm trying to use TPL for the first time and have been reading all the documentation, but don't understand the difference. ...
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Entity Framework 6 Code first Default value

... You can do it by manually edit code first migration: public override void Up() { AddColumn("dbo.Events", "Active", c => c.Boolean(nullable: false, defaultValue: true)); } ...
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Using Caps Lock as Esc in Mac OS X

...t for rebinding Caps Lock to Escape. Thus it is no longer necessary to install third-party software to achieve this. Here's my attempt at a comprehensive, visual walk-through answer (with links) of how to achieve this using Seil (formerly known as PCKeyboardHack). First, go into the System Pref...
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Are tar.gz and tgz the same thing?

... There's no difference at all. .tgz is simply shorthand for .tar.gz. share | improve this answer | follow | ...
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Difference between variable declaration syntaxes in Javascript (including global variables)?

...here are a couple of differences, though in practical terms they're not usually big ones. There's a fourth way, and as of ES2015 (ES6) there's two more. I've added the fourth way at the end, but inserted the ES2015 ways after #1 (you'll see why), so we have: var a = 0; // 1 let a = 0; // 1...
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UITableview: How to Disable Selection for Some Rows but Not Others

...want to disable the click event on it (I should not be able to click it at all) The table contains two groups. I want to disable selection for the first group only but not the second group. Clicking the first row of second group navigates to my tube player view . ...